CVE-2018-10594: Deltaww Commgr

Critical severity, CVSS 9.8. EPSS: 68.6% chance of exploitation in the next 30 days.

Delta Industrial Automation COMMGR from Delta Electronics versions 1.08 and prior with accompanying PLC Simulators (DVPSimulator EH2, EH3, ES2, SE, SS2 and AHSIM_5x0, AHSIM_5x1) utilize a fixed-length stack buffer where an unverified length value can be read from the network packets via a specific network port, causing the buffer to be overwritten. This may allow remote code execution, cause the application to crash, or result in a denial-of-service condition in the application server.

Affected products

• Deltaww Commgr: up to and including 1.08

Published 2018-06-26. Last modified 2026-06-17.